3.63-1.25加17.37-8.75=简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 12:00:23
![3.63-1.25加17.37-8.75=简便](/uploads/image/f/275626-10-6.jpg?t=3.63-1.25%E5%8A%A017.37-8.75%3D%E7%AE%80%E4%BE%BF)
33乘以1.03简便计算=33x1+33x0.03=33+0.99=33.99(1.25加1.25加1.25)乘以5加8.75乘以15简便计算.=1.25x3x5+8.75x15=1.25x15+8.
33乘以1.03=33*(1+0.03)=33*1+33*0.03=33+0.99=33.99(1.25+1.25+1.25)*5+8.75*15=3.75*5+8.75*(10+5)=18.75+8
146除以1.25加15.4乘8=146÷5/4+15.4×8=146×4/5+15.4×8=14.6×10×4/5+15.4×8=14.6×8+15.4×8=(14.6+15.4)×8=30×8=2
=(1.25×0.8)×0.45=1×0.45=0.45
146除1.25加15.4乘8=14.6*8+15.4*8=8*(14.6+15.4)=8*30=240再问:你的“8”是怎么来的再答:146除1.25=146*0.8÷(1.25*0.8)=146*
枷,迦,珈,笳,茄,伽
0.9乘8.4加1乘0.84=9×0.84+0.84=(9+1)×0.84=10×0.84=8.472乘1.25=9*(8*1.25)=9*10=900.36乘2.4加76乘0.036=0.36×2.
1.25*7.7+2.3=9.625+2.3=11.925用计算器一按,这种方法最简单呀.
(1+19)*(10/2)=100
146除以1.25加15.4乘以8146÷1.25+15.4×8=14.6×8+15.4×8=(14.6+15.4)×8=30×8=240
0.91乘99加91乘0.01=0.91*(99+1)=0.91*100=911.25乘88加12除以5分之4=1.25*88+12*1.25=1.25*(88+12)=1.25*100=125
17.6×1.25+36÷0.8+2.64×12.5=17.6×1.25+36×5/4+26.4×1.25=17.6×1.25+36×1.25+26.4×1.25=1.25×(17.6+26.4+36
=0.8×125+0.8×12.5+0.8×1.25=100+10+1
1.5×12+7.2×8+15÷1.25+7.8÷八分之一=1.5×12+7.2×8+15×4/5+7.8×8=(1.5×12+15×0.8)+(7.2×8+7.8×8)=1.5×(12+8)+(7.
41.2乘8.1加11乘1.25加53.7乘1.9=41.2乘(10减1.9)加11乘1.25加53.7乘1.9=412减41.2乘1.9+53.7乘1.9+11乘1.25=412+12.5乘1.9加